<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    
</head>
<body>
    <p></p>
    <p></p>
    <p></p>
    <div id="o">
        <p v-for="(item,idx) in num">我有一只喵{{idx}}</p>
    </div>
    <script src="vue.js"></script>
    <script>
         new Vue({
            el:'#o',
            data:{
                num:300
            }
        })

    </script>
</body>
</html>